An emerging deal between Iran and world powers won't prevent the Islamic republic from reaching nuclear weapon capacity, Israeli Prime Minister Benjamin Netanyahu said Tuesday, noting Arab states shared his concern.

"I know I’m often portrayed as the nuclear party pooper, and that would be okay if I was the only voice against the impending deal with Iran," he said at a security conference at Herzliya near Tel Aviv.

A guard at the Lebanese parliament, who has been recently arrested for suspected ties with Israel, was proved to be innocent but investigators found links between his wife and the Mossad, al-Joumhouria newspaper reported on Thursday.

The unidentified guard was apprehended several weeks ago after police raided his house and took two laptops that belong to him and his wife, it said.

South Africa has launched an investigation into the leak of espionage secrets to an international television news channel and a British newspaper, the state security minister said Wednesday.

"A full investigation has been launched into the purported leakage," Minister David Mahlobo said in a statement.

Israel is on high alert for possible attacks from Hizbullah following an airstrike on its members in Syria, Israeli defense officials said Tuesday, as the Jewish State boosted deployment of its "Iron Dome" anti-missile aerial defense system along its northern frontier.

Israel has also increased surveillance activities in the area which borders Lebanon and Syria, the officials said.

Israel's secretive overseas spy agency, the Mossad, launched a new website Monday to recruit potential spooks, as well as an espionage thriller-type video hoping to hook new talent.

The site, Mossad.gov.il, available in Hebrew, English, Russian, French, Arabic and Persian, features inspirational quotations from Israeli leaders past and present, and an unattributed "This is my secret -- always and forever", which links to the careers section.

Military Examining Magistrate Imad al-Zain issued on Wednesday an arrest warrant against a Lebanese on charges of attempting to collaborate with Israel.

The state-run National News Agency reported that al-Zain questioned a citizen identified by his initials as F. Y.

Israel is to pay more than $1 million to the family of an alleged Mossad spy who hanged himself in prison in 2010, the justice ministry has said.

"After negotiations, the two parties (Israel and the family) have reached an agreement whereby the state will pay 4 million shekels ($1.1 million or 842,000 euros) to the family of the deceased," the ministry said in a statement late on Tuesday.

Iran has dismantled a "terror network" backed by Israel's Mossad intelligence services which planned to disrupt the upcoming presidential election in the Islamic republic, the state broadcaster said on Sunday.

"The intelligence ministry has identified and arrested the members of this terror network, and confiscated their weapons," IRIB said on its website, quoting a statement by the ministry.

Israel's parliament is to conduct what it called an "intensive" inquiry into the arrest and death of a jailed Australian-Israeli with Mossad links, a parliamentary spokesman said on Sunday.

"The intelligence subcommittee of the (Knesset) foreign affairs and defense committee decided to hold an intensive inquiry into all aspects of the affair of the prisoner found dead in his cell," the committee spokesman Asaf Doron said.

Exposure of intelligence activities can "badly damage" state security, Israel's Benjamin Netanyahu said on Sunday in his first remarks on the arrest and death of a jailed Australian-Israeli with Mossad links.

In remarks to his outgoing cabinet, the Israeli prime minister insisted that the security forces be allowed to "quietly" get on with their jobs, in his first remarks on the mysterious spy saga which has dominated headlines in Israel and Australia.